Why Choose Us?
Reliable Quality: Our products meet the highest industry standards.
Quick Delivery: Efficient shipping to ensure minimal downtime.
Expert Support: Professional assistance for installation and troubleshooting.
Direct-fit replacement shift fork for Sinotruk HOWO heavy-duty truck transmissions. Exact match for OEM part number AZ2214220001, designed for reliable gear engagement and long service life in mining, construction, and long-haul transport applications across Africa, Asia, and the Middle East.
This fork is compatible with major HOWO models including ZZ1257N3817C, ZZ4257M3217C, HOHV AC5, and TC series, especially those equipped with HW19710 and HW19712 manual transmissions. Whether you’re maintaining one truck or supplying parts to workshops in Nigeria, Pakistan, UAE, or Indonesia, this reliable spare delivers consistent performance at a competitive price.
Surface Finish: Anti-corrosion Black Oxide Coating
Weight: 1.30 kg
Dimensions: 210 × 84 × 46 mm
Transmission Models: HW19710, HW19712
Compatible Trucks: Sinotruk HOWO ZZ1257, ZZ4257, AC5, TC Series
Packaging: 1 pc per industrial carton with protective foam
1. WE TREAT EVERY CUSTOMER AS OUR FRIEND, STICK TO THE PRINCIPLE: WIN-WIN AND MUTUAL BENEFIT ;
2. A VARIETY OF CHOICE FOR PRODUCTS: QUALITY, BRAND, PACKAGING;
3. WE WILL REPLY YOU FOR YOUR INQUIRY IN 24 HOURS.
4.Professional Perfomance SINOTRUCK parts supplier
5. WE WILL BE ON SERVICE 24/24 HOURS ON THE WORKING DAY.
6. ASS: WE WILL OFFER YOU THE BEST AFTER SALES SERVICE.
How to Install the Sinotruk HOWO Shift Fork (AZ2214220001) – Technician Tips
Preparation: Safely lift the vehicle, drain transmission oil, and remove the gearbox. Keep the work area clean to avoid contamination.
Selector Rail Access: Remove the side cover and locate the selector rail for 3rd/4th gears. Identify the retaining bolt or pin securing the old fork.
Remove Worn Fork: Loosen the mounting hardware and slide off the damaged fork. Inspect for bending, groove wear, or cracks — common after high-torque shifting.
Fit New Fork (AZ2214220001): Slide the new forged steel fork onto the selector rod. Ensure full contact with the synchronizer sleeve; movement should be smooth without binding.
Torque Specification: Reinstall fastener and tighten to 20–22 Nm. Do not over-tighten — risk of thread stripping is high on aluminum cases.
Test Before Closing: Manually move the rail back and forth. Check for free travel and even resistance. No grinding or sticking allowed.
Final Reassembly: Reinstall transmission, reconnect linkages, refill with GL-5 80W-90 gear oil, and test shift quality at low RPM before full operation.
